科学家们对此是这样解释的，母体在生育每个男性胎儿时，会为男性胎儿产生的抗原培育出一套增强的免疫系统，而这种抗原很可能在大脑的男性化过程中发挥着重要作用。
Scientists explain that, with each male fetus, a mother develops an increased immunization to an antigen produced by the male fetuses, and this antigen likely plays a role in masculinizing the brain.
我感觉，我就是宇宙的一部分，就像一个胎儿待在母体中，胎儿怎么去思考自己的母亲？
I think of myself as a part of the universe, just like a fetus in the maternal. What does a fetus think of the mother?
这名医生还作证说，他的诊所，是美国仅有的三家实施晚期堕胎手术的诊所之一。 晚期堕胎是指对于已经能够在母体外存活的胎儿实施的流产。
The doctor also testified that he owns one of only three clinics in the US that perform late-term abortions, which are performed on foetuses that could survive outside the mother's womb.
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